Event: 4-Board Division 1

Opponent Rating Result
Peter T Perkins 120 1 - 0
John E Sugden 112 0 - 1
Stephen Garner 100 ½ - ½
J Gerry Johnstone 128 ½ - ½
Eric W Fisher 133 0 - 1
Eric W Fisher 140 0 - 1
Steve J Thrower 104 ½ - ½
Michael C Hackett 115 ½ - ½
David P Thrun 97 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

72 = (1049 + 400 * (2 - 3)) / 9)

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